UNCTAD Technical Assistance Programme on the Generalized System of Preferences and on Other Trade Laws and Regulations Directly Affecting Exports of Developing Countries. (1986). Handbook on the scheme of New Zealand: Generalized system of preferences (Rev. ed.). UNCTAD Technical Assistance Programme on the Generalized System of Preferences and on Other Trade Laws and Regulations Directly Affecting Exports of Developing Countries.
Lua i Stíl Chicago (17ú heag.)UNCTAD Technical Assistance Programme on the Generalized System of Preferences and on Other Trade Laws and Regulations Directly Affecting Exports of Developing Countries. Handbook on the Scheme of New Zealand: Generalized System of Preferences. Rev. ed. [New York]: UNCTAD Technical Assistance Programme on the Generalized System of Preferences and on Other Trade Laws and Regulations Directly Affecting Exports of Developing Countries, 1986.
Lua MLA (9ú heag.)UNCTAD Technical Assistance Programme on the Generalized System of Preferences and on Other Trade Laws and Regulations Directly Affecting Exports of Developing Countries. Handbook on the Scheme of New Zealand: Generalized System of Preferences. Rev. ed. UNCTAD Technical Assistance Programme on the Generalized System of Preferences and on Other Trade Laws and Regulations Directly Affecting Exports of Developing Countries, 1986.